The Unusual Electomagnetic Proprieties of Fabric Reinforced Epoxy Composites
Bîrsan, I. G.
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In this research, the electromagnetic behavior of four composite materials was investigated as an important issue of composite researchers is to control the electrical properties of polymer matrix composites. The four materials are epoxy matrix fabric reinforced composites. Each of the reinforcements is accomplished from 17 layers of fibers fabric of each type, excepting the medial layer which is made of a hybrid fabric meant to solve two issues – the first issue refers to gathering information about the materials loading state while the latter is to increase the electromagnetic shielding properties of the formed materials. The four used fabrics are simple plain fabrics made of yarns of carbon fibers, aramid fibers and, respectively, two types of glass fibers. All the reinforcement layers, excepting the medial one, have the yarns of warp and fill, respectively parallel, while the medial layer has warp yarns perpendicular on the warp yarns of the other layers. The matrix of the wet lay-up technique formed materials is made of epoxy system Epiphen RE 4020 – DE 4020.
- 2015 fascicula9 nr2